from django.db import models

# Create your models here.
class User(models.Model):
    ON=1
    OFF=2
    STATUS_CHOICES={
        (ON,'正常'),
        (OFF,'锁定')
    }
    class Meta:
        verbose_name_plural='用户列表'
    user_name=models.CharField(max_length=30,unique=True,verbose_name="用户名")
    pwd=models.CharField(max_length=200,verbose_name="密码")
    status=models.IntegerField(verbose_name="状态",choices=STATUS_CHOICES,default=ON)
    phone=models.CharField(max_length=30,unique=True,verbose_name="手机号")
    list_display_links=['user_name']
    def __str__(self):
        return self.user_name

class Address(models.Model):
    class Meta:
        verbose_name_plural='收货地址'
    user=models.ForeignKey("User",on_delete=models.CASCADE)
    user_name=models.CharField(max_length=20)
    phone=models.CharField(max_length=30)
    address=models.CharField(max_length=200,null=False)
    is_default=models.IntegerField(default=1)
    def __str__(self):
        return self.address + "("+self.user_name+")收，联系电话:"+self.phone

class Goods(models.Model):
    class Meta:
        verbose_name_plural='商品列表'
    good_name=models.CharField(max_length=30)
    img_url=models.ImageField(upload_to='img')
    price=models.IntegerField()
    intro=models.TextField()
    type=models.ManyToManyField("Type",null=True)
    K="克"
    J="斤"
    G="个"
    UNIT_CHOICES={
        (K,"克"),
        (J,"斤"),
        (G,"个")
    }
    unit=models.CharField(choices=UNIT_CHOICES,default='克',max_length=10)
    object=models.Manager()

    def __str__(self):
        return self.good_name
class Type(models.Model):
    class Meta:
        verbose_name_plural='商品分类'
    type_name=models.CharField(max_length=30,unique=True)
    def __str__(self):
        return self.type_name

class Cart(models.Model):
    class Meta:
        verbose_name_plural='购物车列表'
    num=models.IntegerField(verbose_name="购买数量")
    user=models.ForeignKey("User",on_delete=models.CASCADE)
    goods=models.ManyToManyField(Goods)

class Order(models.Model):
    WFK=1
    YFK=2
    YFH=3
    YSH=4
    ORDER_STATUS_CHOICES={
        (WFK,"未付款"),
        (YFK, "已付款"),
        (YFH, "已发货"),
        (YSH, "已收货")
    }
    HUO=1
    WX=2
    ZFB=3
    YIN=4
    PAY_STATUS_CHOICES={
        (HUO, "货到付款"),
        (WX, "微信支付"),
        (ZFB, "支付宝"),
        (YIN, "银行卡支付")
    }
    class Meta:
        verbose_name_plural='订单列表'
    order_no=models.CharField(max_length=30,verbose_name="订单号",null=True)
    status=models.IntegerField(choices=ORDER_STATUS_CHOICES,default=WFK,verbose_name="订单状态")
    time=models.DateTimeField(auto_now_add=True,verbose_name="下单时间")
    user_name=models.CharField(max_length=20,null=True,verbose_name="联系人")
    phone=models.CharField(max_length=12,null=True,verbose_name="联系电话")
    address=models.CharField(max_length=200,verbose_name="联系地址",null=True)
    user=models.ForeignKey("User",on_delete=models.CASCADE,verbose_name="用户名",null=True)
    total_price=models.IntegerField(verbose_name="实付款",null=True)
    pay_status=models.IntegerField(choices=PAY_STATUS_CHOICES,default=HUO,verbose_name="付款方式")

class OrderDEtail(models.Model):
    class Meta:
        verbose_name_plural='订单详情'
    good_name=models.CharField(max_length=30)
    price=models.IntegerField()
    num=models.IntegerField()
    img_url=models.CharField(max_length=100)
    total_price=models.IntegerField()
    order=models.ForeignKey("Order",on_delete=models.CASCADE)
